#img_marcos {
	width:300px;
	height:200px;
	border:1px solid #FF9900;
	
}

h1 {
	font-family:'Arial';
	font-size:32px;
	color:#FF0000;
	width:600px;
	text-align: left;
}

#contenedor_img {
	background:#CCC;
	width:800px;
	height:500px;
	
}